MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to PDF files on various domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://dotbamboo.com/file_media/file_image/file/bukerima.pdf In PDF document text
- http://geo-equipe.it/userfiles/files/54968838719.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/51164513085.pdfIn PDF document text
- https://fibra-optica.ro/ckfinder/userfiles/files/10053871119.pdfIn PDF document text
- https://network-italia.com/file/79440985450.pdfIn PDF document text
- http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/zafotudineg.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613740900cb46---nojowikojonokuto.pdfIn PDF document text
- https://dampinggame.com/calisma2/files/uploads/bopijanafuwa.pdfIn PDF document text
- http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/suzotirofitototuxinux.pdfIn PDF document text
- http://parmalab.it/userfiles/files/19442897468.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/86331661873.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/f5095b062afd3f58717d8bc55e85b39e/60406588966.pdfIn PDF document text
- http://densayhongngoai.com/uploads/userfiles/file/vigimelapupegul.pdfIn PDF document text
- http://istvietnam.com/rich_editor/file/12064644906.pdfIn PDF document text
- http://hidropro.hu/upload/bisuvomadewowi.pdfIn PDF document text
- https://matharu.ae/userfiles/file/78993114198.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1630521342.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/gexod.pdfIn PDF document text
- http://sjanzee.nl/file/pofufewotuzosoxopegemeref.pdfIn PDF document text
- https://tagoproperties.com/ckfinder/userfiles/files/25029388202.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=the+essential+writings+of+mahatma+gandhi+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90F | 18172 bytes |
SHA-256: b03036d6eeef7e703f99a78f359d3236dba4970c649f47f628acf15ca5a885d2 |
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font_01_sfnt_off0001085f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1085F | 10992 bytes |
SHA-256: dfa65caf52f94c8bd130044b2c643a63b7ea5a1709e6b7c0520600dcaf4b01f7 |
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font_02_sfnt_off00012199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12199 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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